import { CanActivate, ExecutionContext, Injectable, UnauthorizedException } from '@nestjs/common';
import { Reflector } from '@nestjs/core';
import { AuthGuard } from '@nestjs/passport';
import { Observable } from 'rxjs';
// import { IS_PUBLIC_KEY } from 'src/auth/decorators/public.decorator';

@Injectable()
export class JwtAuthGuard extends AuthGuard('jwt') {
  constructor(private reflector: Reflector) {
    super();
  }
  canActivate(
    context: ExecutionContext,
  ): boolean | Promise<boolean> | Observable<boolean> {
    const isPublic = this.reflector.getAllAndOverride<boolean>('IS_PUBLIC_KEY', [
      context.getHandler(),
      context.getClass(),
    ]);

    if (isPublic) return true;
    return super.canActivate(context);
  }

  handleRequest(err: any, user: any, info: any) {
    if(err || !user){
      throw err || new UnauthorizedException()
    }
    
    return user;
  }
}